Thanks to intelligent aerodynamics, the BMW M3 Sedan not only slices effortlessly through the air, but also channels it to where it's needed most. The intake hole next to the powerdome feeds air directly to the V8 high-rev engine. The side vents in the front apron help to cool the engine and transmission oil. And the aerodynamic wing mirrors and rear diffusor both contribute to the car's exhilarating dynamics.
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